docs: def general_acquisition_info(metadata):
      """
      General sentence on data acquisition. Should be first sentence in MRI data
      acquisition section.
  
      Parameters
      ----------
      metadata : :obj:`dict`
          The metadata for the dataset.
  
      Returns
      -------
      out_str : :obj:`str`
          Output string with scanner information.
      """
      out_str = ('MR data were acquired using a {tesla}-Tesla {manu} {model} '
                 'MRI scanner.')
      out_str = out_str.format(tesla=metadata.get('MagneticFieldStrength',
                                                  'UNKNOWN'),
                               manu=metadata.get('Manufacturer', 'MANUFACTURER'),
                               model=metadata.get('ManufacturersModelName',
                                                  'MODEL'))
      return out_str